Kanji 核: nucleus, core, kernel

Key takeaways

Kanji 核: nucleus, core, kernel. Readings and core meaning.

See vocabulary and examples below.

Kanji at a glance

核

Meaning

nucleuscorekernel

On reading

カク

Radical

木

Core meaning / core image

Core meaning: 核

nucleus, core, kernel

Kanji structure breakdown

核

Structure breakdown

木 + 亥

Mnemonic story

Imagine a tree (木) fruit containing a seed as tough and solid as a boar (亥). This hard inner seed represents the core or nucleus (核) of the fruit.

On'yomi and kun'yomi

On reading

カク

核かく
nucleus / core / kernel
結核けっかく
tuberculosis / TB disease

Commonly used words

核
かく
nucleus / core / kernel
結核
けっかく
tuberculosis / TB disease

Example sentences

Example 1

細胞の核には遺伝子がある。

Translation

The nucleus of a cell contains genes.

Example 2

原子の核は非常に小さい。

Translation

The nucleus of an atom is very small.

Example 3

彼は結核の治療を受けています。

Translation

He is receiving treatment for tuberculosis.

Example 4

結核は感染する病気です。

Translation

Tuberculosis is an infectious disease.

Kanji 核: nucleus, core, kernel

Kanji at a glance

Core meaning / core image

Kanji structure breakdown

Mnemonic story

On'yomi and kun'yomi

On reading

Commonly used words

Example sentences

核 (かく): meaning and examples

結核 (けっかく): meaning and examples